package day04;

import java.util.Scanner;

public class extend01 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入一个整数");
        int num = sc.nextInt();

        if (num>0){
            System.out.println("+");
        }else if (num<0){
            System.out.println("-");
        }else{
            System.out.println("0");
        }
    }
}
